/Engine/Source/Runtime/Experimental/Chaos/Public/GeometryCollectionProxyData.h
void SetVelocities ( [FEntryIndex](API\Runtime\Chaos\FGeometryCollectionResults\FEntryIndex) EntryIndex, const [FVelocityData](API\Runtime\Chaos\FGeometryCollectionResults\FVelocityData) & VelocityData )